Bottle cap opening aid



FIG. 1 is a perspective top front right view of a bottle cap opening aid, showing my new design;

FIG. 2 is a perspective bottom view thereof;

FIG. 3 is a front elevation view thereof, wherein the right elevation view, left elevation view, and rear elevation view are identical images thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

CLAIM The ornamental design for a bottle cap opening aid, as shown and described. 